org.sonarsource.javascript.XZ Maven / Gradle / Ivy
/*
* SonarQube JavaScript Plugin
* Copyright (C) 2011-2024 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonarsource.javascript;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.Stream;
import org.tukaani.xz.LZMA2Options;
import org.tukaani.xz.XZOutputStream;
public class XZ {
private static final int DEFAULT_COMPRESSION_LEVEL = 9;
public static void main(String[] args) {
if (args.length == 0) {
throw new IllegalArgumentException("Please provide at least 1 filename to compress using XZ");
}
List filenames = Collections.emptyList();
try {
filenames = Stream.of(args).map(filename -> filename.replaceAll("[\\\\/]+", "/")).toList();
compress(filenames);
} catch (IOException e) {
throw new IllegalStateException(
"Error while compressing " + Arrays.toString(filenames.toArray()),
e
);
}
}
/**
* Compress the provided filenames with the `DEFAULT_COMPRESSION_LEVEL`
*
* @param filenames
* @throws IOException
*/
public static void compress(List filenames) throws IOException {
for (var filename : filenames) {
var file = Path.of(filename);
System.out.println("Compressing " + filename);
if (!Files.exists(file)) {
throw new FileNotFoundException("File " + filename + " does not exist.");
}
var outputFile = Path.of(file + ".xz");
if (Files.exists(outputFile)) {
System.out.println("Skipping compression. File " + outputFile + " already exists.");
continue;
}
try (
var is = Files.newInputStream(file);
var outfile = Files.newOutputStream(outputFile);
var outxz = new XZOutputStream(outfile, new LZMA2Options(DEFAULT_COMPRESSION_LEVEL))
) {
is.transferTo(outxz);
Files.delete(file);
}
}
}
}